Generally a relatively low powered – low velocity cartridge with the primer compound located under the rim inside the cartridge case. The firing pin strikes the edge of the rim crushing it against the barrel face-causing ignition of the cartridge.
a type of firearm cartridge
Ammunition whose priming mixture is contained in the rim cavity of the cartridge case. When the priming mixture detonates, it ignites the propellant which drives the bullet down the barrel. The location of the priming mixture is an inherent design limitation which contributes to the firearm being relatively low-powered.
Ammunition which has a priming compound inside the rim of the case.
Relating to a cartridge where the explosive that ignites the powder is contained in the rim of the case.
A major class of metal-cased cartridges which have the priming compound distributed in a ring, usually at the base of the case. The firing pin crushes the rim, igniting the primer.
Ammunition in which the primer is located in the bottom rim of the case. Typically, rimfire rounds are smaller calibers than centerfire rounds. Rimfire is often used in casual conversation to refer exclusively to the .22 long rifle caliber or to guns which fire that caliber.
Cartridges which contain the priming mixture within the rim. The most common example is the .22 rimfire cartridge.
A system of priming a cartridge case where the primer is held in the rim of the case and is set off by the cartridge case rim being struck and crushed. The cases cannot be reloaded and the system is only suitable for low pressure ammunition such as the .22 commonly used for target shooting.
A rimmed or flanged cartridge with the priming mixture located inside the rim of the case. The most famous example is the .22 rimfire. It has been estimated that between 3-4 billion .22 cartridges are loaded in the U.S. each year.
Cartridges which contain the priming mixture within the rim. This type is not reloadable under any practical conditions.
